condition	mean	min	max
4 h after light	5.12179	4.15332	6.09026
8 h after light	5.502835	5.29135	5.71432
12 h after light	6.193975	5.90599	6.48196
4 h after dark	11.113150000000001	10.0626	12.1637
8 h after dark	9.13533	8.29072	9.97994
12 h after dark	9.012975	8.82303	9.20292